In this troubleshooting situation a technician has responded to a complaint of “not cooling” on a six-year-old R-410A split system that employs an upflow gas furnace indoor air handler and a ...

Ice machines differ markedly from other commercial refrigeration units and require their own service approach. Ice machine refrigeration tuning is precise, with very close tolerances required. Because ...

Cooling systems don't fail randomly — they follow a pattern of gradual decline that's visible to anyone who knows what to ...